perf: add 200MB image disk cache, RAM memory cache, and network connection pooling

composeApp/src/desktopMain/kotlin/com/nuvio/app/core/ui/PlatformImageLoader.desktop.kt

@@ -1,9 +1,41 @@
 package com.nuvio.app.core.ui
 
 import coil3.ImageLoader
+import coil3.disk.DiskCache
+import coil3.memory.MemoryCache
+import okio.Path.Companion.toOkioPath
+import java.io.File
 
-internal actual fun ImageLoader.Builder.configurePlatformImageLoader(): ImageLoader.Builder {
-    return components {
-        add(SkiaGifDecoder.Factory())
+private fun resolveDesktopCacheDir(): File {
+    val userHome = System.getProperty("user.home").orEmpty()
+    val os = System.getProperty("os.name").orEmpty().lowercase()
+    val baseDir = when {
+        os.contains("win") -> System.getenv("LOCALAPPDATA")?.takeIf(String::isNotBlank)?.let { File(it, "Nuvio") }
+            ?: File(userHome, ".nuvio")
+        os.contains("mac") -> File(userHome, "Library/Caches/com.nuvio.app")
+        else -> System.getenv("XDG_CACHE_HOME")?.takeIf(String::isNotBlank)?.let { File(it, "nuvio") }
+            ?: File(userHome, ".cache/nuvio")
     }
+    return File(baseDir, "image_cache").apply { mkdirs() }
+}
+
+internal actual fun ImageLoader.Builder.configurePlatformImageLoader(): ImageLoader.Builder {
+    val maxMemory = Runtime.getRuntime().maxMemory()
+    val memoryCacheBytes = if (maxMemory > 0L) (maxMemory * 0.25).toLong() else 256L * 1024L * 1024L
+
+    return this
+        .memoryCache {
+            MemoryCache.Builder()
+                .maxSizeBytes(memoryCacheBytes)
+                .build()
+        }
+        .diskCache {
+            DiskCache.Builder()
+                .directory(resolveDesktopCacheDir().toOkioPath())
+                .maxSizeBytes(200L * 1024L * 1024L) // 200MB (matching TV & Mobile)
+                .build()
+        }
+        .components {
+            add(SkiaGifDecoder.Factory())
+        }
 }

composeApp/src/desktopMain/kotlin/com/nuvio/app/features/addons/AddonPlatform.desktop.kt

@@ -44,6 +44,11 @@ internal actual object AddonStorage {
 }
 
 private val desktopHttpClient = OkHttpClient.Builder()
+    .dispatcher(okhttp3.Dispatcher().apply {
+        maxRequests = 64
+        maxRequestsPerHost = 16
+    })
+    .connectionPool(okhttp3.ConnectionPool(16, 5, TimeUnit.MINUTES))
     .dns(DesktopIPv4FirstDns())
     .connectTimeout(60, TimeUnit.SECONDS)
     .readTimeout(60, TimeUnit.SECONDS)
@@ -52,6 +57,7 @@ private val desktopHttpClient = OkHttpClient.Builder()
     .followSslRedirects(true)
     .build()
 
+
 private const val truncationSuffix = "\n...[truncated]"
 
 actual suspend fun httpGetText(url: String): String =

composeApp/src/desktopMain/kotlin/com/nuvio/app/features/trailer/TrailerExtractionPlatform.desktop.kt

@@ -28,6 +28,8 @@ internal object TrailerExtractionPlatform {
     )
 
     private val httpClient = OkHttpClient.Builder()
+        .dns(com.nuvio.app.core.network.DesktopIPv4FirstDns())
+        .connectionPool(okhttp3.ConnectionPool(8, 5, TimeUnit.MINUTES))
         .connectTimeout(TRAILER_REQUEST_TIMEOUT_MS, TimeUnit.MILLISECONDS)
         .readTimeout(TRAILER_REQUEST_TIMEOUT_MS, TimeUnit.MILLISECONDS)
         .writeTimeout(TRAILER_REQUEST_TIMEOUT_MS, TimeUnit.MILLISECONDS)
@@ -36,12 +38,15 @@ internal object TrailerExtractionPlatform {
         .build()
 
     private val probeClient = OkHttpClient.Builder()
+        .dns(com.nuvio.app.core.network.DesktopIPv4FirstDns())
+        .connectionPool(okhttp3.ConnectionPool(8, 5, TimeUnit.MINUTES))
         .connectTimeout(2, TimeUnit.SECONDS)
         .readTimeout(2, TimeUnit.SECONDS)
         .followRedirects(true)
         .followSslRedirects(true)
         .build()
 
+
     fun supportsSeparateVideo(candidate: StreamCandidate): Boolean = candidate.ext == "mp4"
 
     fun supportsSeparateAudio(candidate: StreamCandidate): Boolean = candidate.ext == "m4a"